YunSCM 2Pcs 64/76-406 Self-Sealing 20 inch Fat Bike Inner Tubes 20x2.5 20x3.0 AV32mm Schrader Valve Automatic Repair Puncture Resistant Tube Compatible 20x2.5/3.0 Fat Bicycle Tyre Inner Tube

Heavy Duty inner tube:20"x2.5"/3.0" AV32mm (64/76-406) Heavy duty bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the heavy load tire, so that the scope of application is expanded, Compatible with 20x2.5 20x2.6 20x2.7 20x2.8 20x2.9 20x3.0 tires. Easy To USE :The Self Sealing Bike Inner Tube is a self-repair for some small holes or very fine cracks.For example, after a long time, some places will leak air quietly,accidentally hit nails and other problems, which are easy to repair.It is worth noting that our self-repairing inner tube can be used within the normal temperature environment and cold days -15 ℃,and it is more conducive to travel in cold weather. Safe Bike Tires:Pre-installed with Sealant to provide maximum puncture protection and prevent flat tires on your bike.The self-repairing inner tube is a thicker design, which is more durable than the normal inner tower.The bicycle inner tube rolls through the tire repair liquid to automatically fill the punctured area.After testing, the leak can be repaired within 5~8 seconds under normal conditions. Excellent shock absorption ability: The heavy, strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement. Heavy Duty butyl rubber for maximum ride comfort - upgrade your ride experience. High quality butyl rubber：Made of high quality butyl rubber composite material, with good air tightness, heat resistance and durability. Every product is rigorously screened before it is delivered to you. Newly Upgraded Thickened Inner Tube： The content of butyl rubber in the thickened inner tube is sufficient, the weight of the conventional inner tube is 258g, and the weight of the thickened inner tube is 315g. The heavy-duty inner tube is about 22% heavier than the conventional inner tube, thicker and more airtight. Please note： Because the Self Sealing fluid is flowing, in order to prevent the liquid from flowing out during operation, please do not concentrate the center of gravity or the liquid near the air nozzle when pumping up Installation：20"x2.5"/3.0" bicycle heavy duty replacement inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct. Tip：Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects.